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RI Fixture Top Plate with Socket



The RI Fixture docking system's Top Plate is customized for each handler manufacturer. The Top Plate provides the correct alignment pins and drilled connection holes required to mechanically interface to the desired handler, assuring a precise socket alignment. This ridged mechanical alignment is critical for consistent RF test performance and it decreases wear on DUT Interface Boards and sockets for higher mean-time between failures (MTBF). The service and repair of the consumable sockets and DUT Interface Boards is facilitated by precision alignment pins in all critical locations. The test socket is aligned to the DUT Interface Board, DUT Interface Board stiffener and Top Plate through alignment pins in the socket body.


RI ATE System Basic High Performance Handler Docking




The RI Fixture docking system eliminates any fine alignment issues by connecting the precision Fixture's Top Plate directly to the handler. The compact Test Head is then brought to the Fixture - Handler assembly using the built-in, neutrally weighted, Test Head manipulator. Three large alignment pins protruding from the Test Head guide the assembly together while the RI Test Head Docking Cam locks them in place and guarantees the correct RI mating pressure between the Fixture and the Test Head.

RI ATE System Robust Cam Fixture / Handler Docking




RI has introduced a robust Fixture to Handler docking system for reliable handler docking, developed with customers and proven in production. The universal docking plate for standard single site Fixtures (RIK0069A) and multi-site Fixtures (RIK0070A) mount to the handler and is customized for the Handler's interface plate. The RI Fixture requires Docking Ears (RIK0068A) which contain smooth spring loaded roller bearing cams which mate to the handle docking plate.

Docking Plate Docking Ears

Example RIK0069A Docking Plate mounted on a Rasco Gravity Feed Handler



Example Dual Site Fixture Designed for a Rasco Gravity Feed Handler




System Controller Handler Interface



Cassini systems use plug-and-play Handler Interface Pods, no configuration is needed. These Pods contain a programmable ASIC that handles all the timing and signal level control to interface the system to any handler. RI supports many Handler Manufactures and we can always program a custom Pod for your handler. You will need to contact RI Support and furnish us with the handler programming manual to program the Pod at the factory. Some current supported handler manufacturers include: Atrium, Delta, Rasco, Multitest, Sekio-Epson, Soya, and Synax.

The wiring of the Handler Pod to the handler is the responsibility of the customer which is usually a custom cable that can contain some pull up resistors to supply digital control logic that is powered by either the Tester or the Handler for isolation reasons. Most handlers have an opto-isolator built into the tester interface that needs to be connected to Tester power through the interface cable.

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